package com.qf.service.impl;





import com.qf.pojo.User;
import com.qf.service.UserService;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;

import java.util.ArrayList;
import java.util.List;


    public class UserServiceImpl implements UserService , BeanPostProcessor {

        @Override
        public List<User> queryUsers() {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
            System.out.println("queryUser");
            return new ArrayList<>();
        }

        @Override
        public Integer updateUser(User user) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
            System.out.println("update User");
//        if(1==1) {
//            throw new NullPointerException("test 空指针");
//        }
            return 1;
        }

        @Override
        public Integer saveUser(User user) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
            System.out.println("Save User");
            return 1;
        }

        @Override
        public Integer deleteUser(Integer id) {
//        System.out.println("事务控制");
//        System.out.println("日志打印");
            System.out.println("delete User");
            return 1;
        }

        @Override
        public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
            System.out.println("init方法之前执行");
            return bean;
        }

        @Override
        public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
            System.out.println("init方法之后执行");
            return bean;
        }
    }

